Iannetta, behind the dish for Wednesday's finale against Atlanta, will have started 11 games since Aug. 4.

"Every time I see more, I get more and more excited as to the steps he's taken defensively in upgrading his game," Tracy said. "And I mean that both on the physical and mental side. An incredible amount of improvement."
Entering Wednesday, Ianetta had a .343 on-base percentage and .411 slugging percentage since returning from Triple-A Colorado Springs on May 27. Meanwhile, Olivo -- an All-Star Game candidate earlier in the year -- has hit .146 since the break.

"In no way am I taking from one to give to another," Tracy said. "I have the opportunity to utilize both because of the circumstances in front of me. If that is, in fact, the case, I'm going to jump all over that."